Molten aluminum deslagging equipment for aluminum alloy production

Abstract

Molten aluminum slag removal equipment for aluminum alloy production comprises an aluminum melting furnace. The furnace body tilting device is arranged on the aluminum melting furnace and is used for driving the aluminum melting furnace to tilt; an annular groove is formed in one side of the rotating ring, the annular groove is divided into a plurality of filter bins through partition plates, a plurality of filter holes are formed in the other side of the rotating ring, two arc plates are symmetrically arranged on the side wall of the aluminum melting furnace, and the arc plates are connected with one side of the rotating ring in an abutting mode; the rotating pipe is arranged at the lower part of the rotating ring; the rotating assembly is arranged on the aluminum melting furnace, a rotating pipe is arranged on the rotating assembly, and the rotating assembly is configured to drive the rotating ring to rotate through the rotating pipe; the slag storage bin is detachably arranged on the side wall of the aluminum melting furnace; and the degassing and deslagging device is arranged above the aluminum melting furnace and is used for adding a refining agent and degassing gas into the molten aluminum. Therefore, impurities in the molten aluminum can be efficiently filtered, so that the discharging efficiency of the molten aluminum is improved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy production, and in particular to aluminum liquid deslagging equipment for aluminum alloy production. Background Art

[0002] During the aluminum melting process, non-metallic inclusions such as aluminum oxide, hydroxide and other impurities will be formed in the aluminum liquid due to oxidation and impurity mixing. The slag removal process of aluminum liquid is to improve the quality of aluminum liquid and reduce defects in cast or processed products.

[0003] In the related technology, a combination of chemical and mechanical slag removal is usually used. Chemical reagents are added to separate impurities from aluminum liquid after chemical reaction, and the impurities in the aluminum liquid are filtered and intercepted by filter plates. However, the existing filter plate filtration technology often reduces the filtration effect due to the accumulation of impurities during filtration, and it is also easy for aluminum liquid to overflow from the edge of the filter plate. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the above-mentioned technology at least to some extent.

[0005] To this end, the purpose of the present invention is to provide an aluminum liquid slag removal device for aluminum alloy production, which can efficiently filter impurities in the aluminum liquid to improve the discharge efficiency of the aluminum liquid.

[0006] To achieve the above-mentioned purpose, the present invention proposes an aluminum liquid deslagging equipment for aluminum alloy production, comprising: an aluminum melting furnace; a furnace body tilting device, which is arranged on the aluminum melting furnace and is used to drive the aluminum melting furnace to tilt; a rotating ring, a circular ring groove is provided on one side of the rotating ring, and the circular ring groove is divided into multiple filter bins by a partition, and multiple filter holes are provided on the other side of the rotating ring, and two arc plates are symmetrically arranged on the side wall of the aluminum melting furnace, and the arc plates are abuttingly connected with one side of the rotating ring; a rotating tube is arranged at the lower part of the rotating ring; a rotating assembly is arranged on the aluminum melting furnace, and the rotating tube is arranged on the rotating assembly, which is configured to drive the rotating ring to rotate through the rotating tube; a slag storage bin, which is detachably arranged on the side wall of the aluminum melting furnace; a degassing and deslagging device is arranged above the aluminum melting furnace and is used to add refining agent and degassing gas to the aluminum liquid.

[0007] In one embodiment of the present invention, the rotating assembly includes: a fixed ring plate, a first motor, a driving wheel and a gear ring, wherein the fixed ring plate is arranged on the side wall of the aluminum melting furnace, the rotating tube is arranged on the fixed ring plate through a bearing seat, the first motor is arranged on the fixed ring plate, the driving wheel is arranged at the driving end of the first motor, the gear ring is arranged on the inner wall of the rotating tube, and the driving wheel and the gear ring are meshed with each other.

[0008] In one embodiment of the present invention, a load-bearing plate is provided on the side wall of the aluminum melting furnace, and the slag storage bin is an arc-shaped bin, which is provided on the load-bearing plate and is in contact with the outer side wall of the aluminum melting furnace.

[0009] In one embodiment of the present invention, an aluminum liquid lead-out gap and an impurity lead-out gap are arranged between the two arc plates, the aluminum liquid lead-out gap corresponds to the liquid outlet of the aluminum melting furnace, and the aluminum liquid flowing out of the liquid outlet of the aluminum melting furnace is introduced into the filter bin through the aluminum liquid lead-out gap, and the impurity lead-out gap corresponds to the slag storage bin, and the impurities in the filter bin are introduced into the slag storage bin through the impurity lead-out gap, wherein a guide plate is arranged on the side wall of the aluminum melting furnace, and the guide plate is used to guide the impurities to the slag storage bin.

[0010] In one embodiment of the present invention, the degassing and slag removal device includes: a vertical drive assembly, an installation bin, a stirring device, a powder spraying device and a gas delivery device, wherein the vertical drive assembly is arranged above the aluminum melting furnace, the installation bin is arranged on the vertical drive assembly, and the stirring device, the powder spraying device and the gas delivery device are respectively arranged on the installation bin.

[0011] In one embodiment of the present invention, the vertical drive assembly includes: a drive bin, a second motor, a ball screw and a ball slider, wherein the second motor is arranged in the drive bin, the ball screw is arranged at the driving end of the second motor, the ball slider is arranged on the ball screw, and the mounting bin is arranged on the ball slider.

[0012] In one embodiment of the present invention, the stirring device includes: a third motor, a bevel gear set, an outer tube and a plurality of stirring blades, wherein the outer tube is arranged on the mounting bin through a bearing seat, the third motor is arranged in the mounting bin and is connected to the outer tube through a bevel gear set, and the plurality of stirring blades are respectively arranged on the outer tube, wherein an electric control valve is arranged at the lower end of the outer tube.

[0013] In one embodiment of the present invention, the powder spraying device comprises: a powder sprayer and an inner tube, wherein the powder sprayer is arranged on the installation bin, the inner tube is arranged on the powder spraying port of the powder sprayer, and the outer tube is sleeved on the inner tube.

[0014] In one embodiment of the present invention, the gas delivery device comprises: a gas delivery pipe and a gas valve, wherein the installation bin is provided with a gas delivery pipe, and the gas delivery pipe is connected to the inner tube through the gas valve.

[0015] In one embodiment of the present invention, the furnace body tilting device includes: a mounting frame, a rotating shaft and a fourth motor, wherein the fourth motor is arranged on the mounting frame, the rotating shaft is fixedly arranged on the mounting frame and connected to the driving end of the fourth motor.

[0016] Beneficial effects of the present invention: The furnace body tilting device can tilt the aluminum melting furnace so that the molten aluminum flows into the target filter bin from the inclined melt outlet. Compared with using salvaging tools to salvage impurities in the molten aluminum, this physical slag removal method is more efficient.

[0017] The rotating assembly can switch the working positions of multiple filter bins. By timely replacing the filter bins at the outlet of the aluminum melting furnace, it can avoid the reduction of filtering effect due to clogging of the filter holes, ensure the smoothness of aluminum liquid filtration, and avoid the occurrence of aluminum liquid overflow.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which: Figure 1 It is a schematic diagram of the overall structure of a molten aluminum slag removal device for aluminum alloy production according to one embodiment of the present invention; Figure 2 It is a schematic cross-sectional structural diagram of an aluminum liquid deslagging device for aluminum alloy production according to one embodiment of the present invention; Figure 3 It is a schematic cross-sectional structural diagram of an aluminum liquid deslagging device for aluminum alloy production according to another embodiment of the present invention; Figure 4 A schematic cross-sectional view of a degassing and deslagging device according to an embodiment of the present invention; Figure 5 The figure is a schematic cross-sectional structural diagram of a vertical drive assembly according to an embodiment of the present invention.

[0020] As shown in the figure: 1. Aluminum melting furnace, 2. Furnace body tilting device, 21. Mounting frame, 22. Rotating shaft, 23. Fourth motor, 3. Rotating ring, 4. Filter bin, 5. Filter hole, 6. Arc plate, 7. Rotating tube, 8. Rotating assembly, 81. Fixed ring plate, 82. First motor, 83. Driving wheel, 84. Gear ring, 9. Degassing and slag removal device, 91. Vertical drive assembly, 911. Drive bin, 912. Second motor, 913. Ball screw , 914, ball slider, 92, installation bin, 93, stirring device, 931, third motor, 932, bevel gear set, 934, outer tube, 935, stirring blade, 94, powder spraying device, 941, powder spraying machine, 942, inner tube, 95, gas transmission device, 951, gas transmission pipe, 952, gas valve, 10, slag storage bin, 11, load-bearing plate, 12, aluminum liquid lead-out gap, 13, impurity lead-out gap, 14, guide plate, 15, electric control valve. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] The following describes an aluminum liquid slag removal device for aluminum alloy production according to an embodiment of the present invention with reference to the accompanying drawings.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, the aluminum liquid deslagging equipment for aluminum alloy production according to an embodiment of the present invention may include: an aluminum melting furnace 1, a furnace body tilting device 2, a rotating ring 3, a rotating tube 7, a rotating assembly 8, a slag storage bin 10 and a degassing and deslagging device 9.

[0024] A furnace body tilting device 2 is arranged on the aluminum melting furnace 1, and the furnace body tilting device 2 is used to drive the aluminum melting furnace 1 to tilt. A circular groove is provided on one side of the rotating ring 3, and the circular groove is divided into multiple filter bins 4 by a partition. A plurality of filter holes 5 are provided on the other side of the rotating ring 3. Two arc plates 6 are symmetrically arranged on the side wall of the aluminum melting furnace 1, and the arc plates 6 are abuttingly connected with one side of the rotating ring 3. A rotating tube 7 is arranged at the lower part of the rotating ring 3, and a rotating assembly 8 is arranged on the aluminum melting furnace 1. A rotating tube 7 is arranged on the rotating assembly 8, and the rotating assembly 8 is configured to drive the rotating ring 3 to rotate through the rotating tube 7. A slag storage bin 10 is detachably arranged on the side wall of the aluminum melting furnace 1, and a degassing and deslagging device 9 is arranged above the aluminum melting furnace 1. The degassing and deslagging device 9 is used to add refining agent and degassing gas to the aluminum liquid.

[0025] It can be understood that the rotating assembly 8 described in this embodiment can drive the rotating tube 7 to drive the rotating ring 3 to rotate, switch the working positions of multiple filter bins 4, and ensure the smoothness of aluminum liquid filtration by timely replacing the filter bin 4 at the outlet of the aluminum melting furnace 1.

[0026] It should be noted that the rotating ring 3 described in this embodiment is provided with an electric heating component, which can keep the rotating ring 3 at a suitable temperature.

[0027] Furthermore, an aluminum liquid outlet gap 12 and an impurity outlet gap 13 are provided between the two arc plates 6. The aluminum liquid outlet gap 12 corresponds to the liquid outlet of the aluminum melting furnace 1. The aluminum liquid flowing out of the liquid outlet of the aluminum melting furnace 1 is introduced into the filter bin 4 through the aluminum liquid outlet gap 12. The impurity outlet gap 13 corresponds to the slag storage bin 10. The impurities in the filter bin 4 are introduced into the slag storage bin 10 through the impurity outlet gap 13. A guide plate 14 is provided on the side wall of the aluminum melting furnace 1, and the guide plate 14 is used to guide the impurities to the slag storage bin 10.

[0028] It should be noted that the inner side of the arc plate 6 described in this embodiment is fixedly provided with the side wall of the aluminum melting furnace 1 , and the outer side of the arc plate 6 is slidably connected (contact connection) with one side of the rotating ring 3 .

[0029] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, the rotating assembly 8 may include: a fixed ring plate 81, a first motor 82, a driving wheel 83 and a gear ring 84. The fixed ring plate 81 is arranged on the side wall of the aluminum melting furnace 1, the rotating tube 7 is arranged on the fixed ring plate 81 through a bearing seat, the first motor 82 is arranged on the fixed ring plate 81, the driving wheel 83 is arranged at the driving end of the first motor 82, the gear ring 84 is arranged on the inner wall of the rotating tube 7, and the driving wheel 83 and the gear ring 84 are meshed with each other.

[0030] It can be understood that the first motor 82 described in this embodiment can drive the rotating tube 7 to rotate through gear transmission, so that the rotating tube 7 drives the rotating ring 3 to rotate.

[0031] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, a load-bearing plate 11 is provided on the side wall of the aluminum melting furnace 1 , and the slag storage bin 10 is an arc-shaped bin. The slag storage bin 10 is provided on the load-bearing plate 11 , and the slag storage bin 10 is in contact with the outer side wall of the aluminum melting furnace 1 .

[0032] It should be noted that the rotating ring 3 described in this embodiment is provided with an opening and closing door, and the slag storage bin 10 in the rotating tube 7 can be taken out by opening the opening and closing door, and the slag storage bin 10 can be installed on the load-bearing plate 11 through a threaded connector.

[0033] In one embodiment of the present invention, Figure 1As shown, the furnace body tilting device 2 may include: a mounting frame 21, a rotating shaft 22 and a fourth motor 23, wherein the fourth motor 23 is arranged on the mounting frame 21, the rotating shaft 22 is fixedly arranged on the mounting frame 21, and the rotating shaft 22 is connected to the driving end of the fourth motor 23.

[0034] Specifically, the raw materials are melted into aluminum liquid by the aluminum melting furnace 1, and the degassing and deslagging device 9 first adds a refining agent to the aluminum liquid, and after the refining is completed, the aluminum liquid is exhausted by passing gas. After degassing and deslagging, the impurities will form new compounds with lower density.

[0035] The furnace body tilting device 2 can control the aluminum melting furnace 1 to tilt toward its liquid outlet, and the aluminum liquid is poured out of the aluminum melting furnace 1 through the liquid outlet, and the aluminum liquid enters the filter bin 4 through the aluminum liquid outlet gap 12, and the filter bin 4 filters the impurities (new compounds with lower density) in the aluminum liquid. During the pouring process, it is necessary to switch the position of the filter bin 4 regularly to ensure the filtering efficiency of the filter bin 4. The first motor 82 can drive the gear ring 84 to rotate through the driving wheel 83, so that the rotating tube 7 drives the rotating ring 3 to rotate, and adjust the positions of multiple filter bins 4. The filter bin 4 moved to the aluminum liquid outlet gap 12 performs filtering work, and the filter bin 4 moved to the impurity outlet gap 13 loses the limit of the arc plate 6, and the impurities therein will fall into the slag storage bin 10 through the impurity outlet gap 13 for storage.

[0036] In order to clearly illustrate the above embodiment, in one embodiment of the present invention, as Figure 1 and Figure 4 As shown, the degassing and slag removal device 9 may include: a vertical drive assembly 91, an installation bin 92, a stirring device 93, a powder spraying device 94 and a gas delivery device 95, wherein the vertical drive assembly 91 is arranged above the aluminum melting furnace 1, the installation bin 92 is arranged on the vertical drive assembly 91, and the stirring device 93, the powder spraying device 94 and the gas delivery device 95 are respectively arranged on the installation bin 92.

[0037] Furthermore, if Figure 5 As shown, the vertical drive assembly 91 may include: a drive bin 911, a second motor 912, a ball screw 913 and a ball slider 914, wherein the second motor 912 is arranged in the drive bin 911, the ball screw 913 is arranged at the driving end of the second motor 912, the ball slider 914 is arranged on the ball screw 913, and the mounting bin 92 is arranged on the ball slider 914.

[0038] It can be understood that the second motor 912 described in this embodiment can drive the ball screw 913 to rotate, and the ball slider 914 can rotate on the rotating ball screw 913. The ball slider 914 can drive the stirring device 93, the powder spraying device 94, and the air delivery device 95 to move in the vertical direction through the mobile installation bin 92.

[0039] In order to clearly explain the above embodiment, in one embodiment of the present invention, as Figure 1 and Figure 4 As shown, the stirring device 93 includes: a third motor 931, a bevel gear set 932, an outer tube 934 and a plurality of stirring blades 935. The outer tube 934 is arranged on the installation bin 92 through a bearing seat, the third motor 931 is arranged in the installation bin 92, and the third motor 931 is connected to the outer tube 934 through the bevel gear set 932. The plurality of stirring blades 935 are respectively arranged on the outer tube 934, wherein an electric control valve 15 is arranged at the lower end of the outer tube 934. It should be noted that the electric control valve 15 can have its own power supply equipment (for example, a battery).

[0040] It can be understood that the bevel gear set 932 described in this embodiment is two bevel gears (a driving bevel gear and a driven bevel gear), the driving bevel gear is fixed on the driving end of the third motor 931, and the driven bevel gear is fixed on the outer wall of the outer tube 934. The third motor 931 drives the outer tube 934 to rotate through the bevel gear set 932, so that the stirring blade 935 fully stirs the refining agent and the aluminum liquid.

[0041] The powder spraying device 94 includes: a powder spraying machine 941 and an inner tube 942. The powder spraying machine 941 is arranged on the installation bin 92. The inner tube 942 is arranged on the powder spraying port of the powder spraying machine 941. The outer tube 934 is sleeved on the inner tube 942. The gas delivery device 95 includes: a gas delivery pipe 951 and a gas valve 952. The gas delivery pipe 951 is arranged on the installation bin 92. The gas delivery pipe 951 is connected to the inner tube 942 through the gas valve 952.

[0042] It can be understood that a valve may be provided at the connection between the inner tube 942 and the powder sprayer 941 described in this embodiment. After the electric control valve 15 is opened, the powder sprayer 941 can introduce the refining agent into the aluminum liquid through the inner tube 942, and the gas pipe 951 can introduce an inert gas (for example, nitrogen, argon, etc.) into the refined aluminum liquid for degassing through an external degasser.

[0043] It should be noted that the motors described in the above embodiments (for example, the first motor 82, the second motor 912, the third motor 931, the fourth motor 23, etc.) are equipped with brakes, which can be used to quickly stop the motors. A reduction gearbox is provided on the driving end of the motor, and the driving end of the motor is connected to the input end of the reduction gearbox. The output end of the reduction gearbox constitutes the driving end of the motor, and the speed of the motor output is adjusted by the reduction gearbox.

[0044] In summary, the aluminum liquid slag removal equipment for aluminum alloy production according to the embodiment of the present invention can efficiently filter impurities in the aluminum liquid to improve the discharge efficiency of the aluminum liquid.

[0045] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0047] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A molten aluminum slag removal device for aluminum alloy production, characterized in that: include: Aluminum melting furnace (1); A furnace body tilting device (2), arranged on the aluminum melting furnace (1), and used for driving the aluminum melting furnace (1) to tilt; A rotating ring (3), wherein a circular groove is provided on one side of the rotating ring (3), wherein the circular groove is divided into a plurality of filter chambers (4) by a partition plate, and a plurality of filter holes (5) are provided on the other side of the rotating ring (3), and two circular arc plates (6) are symmetrically arranged on the side wall of the aluminum melting furnace (1), and the circular arc plates (6) are abuttingly connected to one side of the rotating ring (3); A rotating tube (7) arranged at the lower part of the rotating ring (3); A rotating assembly (8) is arranged on the aluminum melting furnace (1), and the rotating assembly (8) is provided with the rotating tube (7) and is configured to drive the rotating ring (3) to rotate through the rotating tube (7); A slag storage bin (10) detachably arranged on a side wall of the aluminum melting furnace (1); The degassing and deslagging device (9) is arranged above the aluminum melting furnace (1) and is used to add refining agent and degassing gas to the aluminum liquid.

2. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 1, characterized in that: The rotating assembly (8) comprises: a fixed ring plate (81), a first motor (82), a driving wheel (83) and a gear ring (84), wherein the fixed ring plate (81) is arranged on the side wall of the aluminum melting furnace (1), the rotating tube (7) is arranged on the fixed ring plate (81) through a bearing seat, the first motor (82) is arranged on the fixed ring plate (81), the driving wheel (83) is arranged at the driving end of the first motor (82), the gear ring (84) is arranged on the inner wall of the rotating tube (7), and the driving wheel (83) and the gear ring (84) are meshed with each other.

3. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 1, characterized in that: A load-bearing plate (11) is arranged on the side wall of the aluminum melting furnace (1); the slag storage bin (10) is an arc-shaped bin; the slag storage bin (10) is arranged on the load-bearing plate (11) and is in contact with the outer side wall of the aluminum melting furnace (1).

4. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 1, characterized in that: An aluminum liquid outlet gap (12) and an impurity outlet gap (13) are provided between the two circular arc plates (6); the aluminum liquid outlet gap (12) corresponds to the liquid outlet of the aluminum melting furnace (1); the aluminum liquid flowing out of the liquid outlet of the aluminum melting furnace (1) is introduced into the filter bin (4) through the aluminum liquid outlet gap (12); the impurity outlet gap (13) corresponds to the slag storage bin (10); the impurities in the filter bin (4) are introduced into the slag storage bin (10) through the impurity outlet gap (13); wherein a guide plate (14) is provided on a side wall of the aluminum melting furnace (1); the guide plate (14) is used to guide the impurities to the slag storage bin (10).

5. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 1, characterized in that: The degassing and deslagging device (9) comprises: a vertical drive assembly (91), an installation bin (92), a stirring device (93), a powder spraying device (94) and a gas delivery device (95), wherein the vertical drive assembly (91) is arranged above the aluminum melting furnace (1), the installation bin (92) is arranged on the vertical drive assembly (91), and the stirring device (93), the powder spraying device (94) and the gas delivery device (95) are respectively arranged on the installation bin (92).

6. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 5, characterized in that: The vertical drive assembly (91) comprises: a drive chamber (911), a second motor (912), a ball screw (913) and a ball slider (914), wherein the second motor (912) is arranged in the drive chamber (911), the ball screw (913) is arranged at the drive end of the second motor (912), the ball slider (914) is arranged on the ball screw (913), and the mounting chamber (92) is arranged on the ball slider (914).

7. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 5, characterized in that: The stirring device (93) comprises: a third motor (931), a bevel gear set (932), an outer tube (934) and a plurality of stirring blades (935), wherein the outer tube (934) is arranged on the installation bin (92) via a bearing seat, the third motor (931) is arranged in the installation bin (92) and is connected to the outer tube (934) via the bevel gear set (932), and the plurality of stirring blades (935) are respectively arranged on the outer tube (934), wherein an electric control valve (15) is arranged at the lower end of the outer tube (934).

8. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 7, characterized in that: The powder spraying device (94) comprises: a powder spraying machine (941) and an inner tube (942), wherein the powder spraying machine (941) is arranged on the installation bin (92), the inner tube (942) is arranged on the powder spraying port of the powder spraying machine (941), and the outer tube (934) is sleeved on the inner tube (942).

9. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 5, characterized in that: The gas delivery device (95) comprises: a gas delivery pipe (951) and a gas valve (952), wherein the installation bin (92) is provided with a gas delivery pipe (951), and the gas delivery pipe (951) is connected to the inner tube (942) via the gas valve (952).

10. The aluminum liquid deslagging equipment for aluminum alloy production according to claim 1, characterized in that: The furnace body tilting device (2) comprises: a mounting frame (21), a rotating shaft (22) and a fourth motor (23), wherein the fourth motor (23) is arranged on the mounting frame (21), and the rotating shaft (22) is fixedly arranged on the mounting frame (21) and connected to a driving end of the fourth motor (23).

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